Penndot Asphalt Technician Certification Program


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PENNDOT ASPHALT TECHNICIAN CERTIFICATION PROGRAM
FIELD TECHNICIAN UPDATE/REFRESHER HANDOUT 2020
PENN STATE UNIVERSITY NECEPT/The Thomas D. Larson Pennsylvania Transportation Institute
201 Transportation Research Building, University Park, PA 16802 Phone: 814-863-1293 Fax: 814-865-3039
Website: www.superpave.psu.edu Email: [email protected]

NECEPT Asphalt Field Technician Update/Refresher Course
Table of Contents
Presentation Module: Introduction, Specifications, PTMs – A Review & Update
Publication 408
Section 106 – Control of Material Section 309 – Superpave Asphalt Mixture Design, Standard Construction, HMA Base Course Section 311 – Superpave Asphalt Mixture Design, Standard Construction, WMA Base Course Section 316 – Flexible Base Replacement Section 344 – Full Depth Reclamation Section 360 – Asphalt Treated Permeable Base Course Section 404 – Evaluation of Asphalt Pavement Ride Quality and Payment of Incentive Section 405 – Evaluation of Asphalt Pavement Longitudinal Joint Density and Payment of
Incentive/Disincentive Section 409 – Superpave Mixture Design, Standard and RPS Construction of Plant-Mixed HMA Courses Section 410 – Superpave Mixture Design, Standard and RPS Construction of Plant-Mixed HMA Fine-Graded
Courses Section 411 – Superpave Mixture Design, Standard and RPS Construction of Plant-Mixed WMA Courses Section 419 – Stone Matrix Asphalt Mixture Design, RPS Construction of Plant-Mixed HMA/WMA Wearing
Courses Section 420 – Pervious Asphalt Pavement System Section 460 – Asphalt Tack Coat Section 483 – Polymer-Modified Emulsified Asphalt Paving System (Micro Surfacing) Section 489 – Ultra-Thin Bonded Wearing Course Section 496 – Asphalt Concrete Pavement, 60-Month Warranty
Test Methods
PTM 001 – Probability Sampling PTM 402 – Determining In-Place Density and Moisture Content of Construction Materials by Use of
Nuclear Gauges PTM 403 – Determining In-Place Density of Asphalt Concrete Using Electrical Impedance Measurement
Methods PTM 428 – Measuring Pavement Profile Using a Light Weight Profiler PTM 715 – Determination of Bulk Specific Gravity of Compacted Asphalt Mixtures PTM 716 – Determination of Bulk Specific Gravity of Compacted Asphalt Mixtures that Absorb More than
3.0 Percent Water by Volume PTM 729 – Sampling Roadway Asphalt Concrete PTM 737 – Measuring the Thickness of Asphalt Concrete Courses PTM 746 – Sampling Asphalt Paving Mixtures

NECEPT Asphalt Field Technician Update/Refresher Course
PTM 747 – Determination of Distributor Application Rate in the Field PTM 751 – Measuring Surface Macrotexture Depth Using a Volumetric Technique and Determining Pattern
Segregation
Worksheet: Determining Lots & Sublots and Sampling Locations Info Sheet: Sampling Made Simple

Introduction, Specifications & PTMS, Review & Update

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NECEPT

Northeast Center of Excellence for

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Pavement Technology

C Certified Asphalt Field Technician Update/

E

Refresher Course

P 2020

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ACRONYMS

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AASHTO HMA NMAS RAM

ACE

IRI

OSHA

RAP

AET

JMF

PAPA

RAS

AI

LTS

PG

SRL

ATPBC MTV

PTM

SMA

ASTM MUTCD QC/QA TAC

ESAL NAPA

RPS

VMA

FHWA NECEPT PWT

WMA

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NECEPT

Website: www.superpave.psu.edu
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Email: superpave @ psu.edu

C Training
PENNDOT Certification Program
E Course Information: P Fonda A. Nevel
Staff Assistant
T (814-863-1293)

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Course Objective
• This is an update/refresher course for Certified Asphalt Field Technicians.
• This course provides credit toward renewal of certification for participants.
• The course objective is to provide a update/refresher of essential information regarding PennDOT Specifications and operations and procedures for Hot-Mix Asphalt (HMA) and Warm Mix (WMA) paving and a discussion of ‘hot’ topics with experts in the field.
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Course Agenda

E  Introduction, Specifications & PTMs Review & Update

C  Hot Topics
?

?

E

?

P  Problem Solving Session  Open Discussion: Questions, Areas of

T Concern.

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Excellent Resource
• Hot-Mix Asphalt Paving Handbook 2000 (July 2001)
• Available from NAPA* Online Store
– List Price: FREE – 231 Pages – 64 MB
– https://store.asphaltpavement.org/index.php?productID=819 – *National Asphalt Pavement Association
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Introduction, Specifications & PTMS, Review & Update

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Excellent Resource
• A Guide for Hot Mix Asphalt Pavement CD-ROM
• Available from NAPA* Online Store, $30
– https://store.asphaltpavement.org/index.php?productID=266 *National Asphalt Pavement Association
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Excellent Resource 8 Pennsylvania Asphalt Pavement Association
Constructing Quality Hot-Mix Pavements in Pennsylvania Checklist
Website currently under construction.
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N HMA Construction Program 9

Certified Asphalt

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Field Technician

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Introduction, Technician’s

Responsibility, Specifications,

E

and PA Test Methods

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Technician Certification Program
• PennDOT Pub 351
– Background Info – Certification &
Recertification Requirements – Application Procedures – Exam Review & Retest – Code of Ethics
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Asphalt Technician in Training NEW requirements will affect
YOU
• Field Supervisor will need to sign off on experience (24 hours)
• ACE will need to sign off on capabilities. • Must take Review and Certification Course
in next Cycle (Passing Grade)
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Certification Renewal

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Pub 351: Section IX

• Must be Certified for previous 5 years

• Must have 500 documented hours experience on State Asphalt Paving projects

• Must have PennDOT or PTC signature to confirm satisfactory performance

• Within the 5 years, must have attended :

• 2 NECEPT Field Technician Update/Refresher Courses, or….

• 1 NECEPT Update/Refresher Course and 1 acceptable asphalt-related conference, seminar, or workshop

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Introduction, Specifications & PTMS, Review & Update

Certification Renewal

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Certification Renewal

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Acceptable Asphalt-Related Annual Conference Seminars, or Workshops
•Annual APC Conferences

Submit:
• Recertification Application

•Annual PAPA Conferences •Mid-Atlantic States Quality Assurance Workshop

• With Processing Fee ($35.00)

•Nationally recognized conferences or courses •PennDOT pre-approved Department or Industry sponsored training

www.superpave.psu.edu

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Section XIII: Code of Ethics
Four Principles:
a. Demonstrate a concern for the welfare and dignity of the recipients of the services, including Department personnel.
b. Maintain high standards of professional competence.
c. Provide accurate information about asphalt technician services.
d. Function with discretion and integrity in relations with colleagues and other professionals.
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As a certified Technician, you may represent one of the following:
PennDOT Contractor Consultant
In any case, your responsibility is to insure a quality product is being placed. 16

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What are your responsibilities ?
1. Know the specifications 2. Know the PTMs needed to insure
quality control 3. Be familiar with paving operations 4. Recognize mix and paving
deficiencies 5. Be able to recommend corrective
action 6. Adhere to the four principals of the
code of ethics
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Responsibilities: Pre-Pave Set Up
• Review Job Mix Formula • Review Project Quality Control Plan &
Special Provisions • Insure proper preparation of the
Nuclear Gauge or Electrical Impedance Gauge • Check Compaction Equipment • Set Up Initial Rolling Pattern • Check Box Sample and/or Core Locations
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Introduction, Specifications & PTMS, Review & Update

Responsibilities: Start of Paving 19 Operation • Check surface preparation
• Check Mix Temperature • Record Initial Density Readings • Check Mat Temperature • Check Mat Appearance • Check Joints • Make Adjustments as Required • Record Initial Roller Pattern/ Temps
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Responsibilities: Paving Operation
• Monitor Startup Operations • Monitor Truck Exchange • Monitor Compaction • Check with Plant • Check Finished Product • Specify Coring Locations for
Acceptance • Maintain Good Communications.
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Your Effort Towards Achieving A Quality Paving Job Makes
The Difference Between A Great Job And A Mediocre One.
MAKE THE EFFORT!

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R34D 7H15

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Experience
• Experience allows you to recognize a mistake when you make it again.
• Keep records of mix tendencies as to temperature, amplitude, vibration, cross-slope and grade as related to density and ride.
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Introduction, Specifications & PTMS, Review & Update

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PennDOT Specifications
Which Specifications Are Most Significant?
The specifications that cover your project and affect YOU are the most important. Be aware of the effective change dates and your project let date.
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What you need to know...

• PennDOT Specifications

Publication 408:

Effective

• Sections covering

October 7, 2016

HMA, WMA & the

important aspects of

these specifications

• PennDOT website: www.penndot.gov

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These changes are now

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Pub 408 Table of Contents

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Section

Title

incorporated into the 2016 Pub 408

100 General Provisions

200 Earthwork

300 Base Courses

400 Flexible Pavements

500 Rigid Pavements

600 Incidental Construction

700 Material

800 Roadside Development

900 Traffic Accommodation & Control

1000 Structures

1100 Manufactured Material

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Pub 408 HMA Specifications

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106 Control of Material

309 Superpave Asphalt Mixture Design, Standard
Construction, HMA Base Course

311 Superpave Asphalt Mixture Design, Standard
Construction, WMA Base Course

316 Flexible Base Replacement

344 Full Depth Reclamation

360 Asphalt Treated Permeable Base Course

404 Evaluation of Asphalt Pavement Ride Quality and
Payment of Incentive

405 Evaluation of Asphalt Pavement Longitudinal Joint
Density And Payment of Incentive/Disincentive

409 Superpave Mixture Design, Standard & RPS
Construction of Plant-Mixed HMA Courses

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Pub 408 HMA Specifications

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410 Superpave Mixture Design, Standard & RPS
Construction of Plant-Mixed HMA Fine-Graded Courses
411 Superpave Mixture Design, Standard & RPS
Construction of Plant-Mixed WMA Courses
419 Stone Matrix Asphalt Mixture Design, RPS
Construction of Plant-Mixed HMA Wearing Courses
420 Pervious Asphalt Pavement System
460 Asphalt Tack Coat
483 Polymer-Modified Emulsified Asphalt Paving System
(Microsurfacing)
489 Ultra-Thin Bonded Wearing Course
496 Asphalt Concrete Pavement, 60-Month Warranty

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Introduction, Specifications & PTMS, Review & Update

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HMA/WMA Standard Special Provisions

a10650
c0411
b04001 and
b04002
b04003 and
b04004
b04091

Minimum Effective Asphalt for 9.5 mm or 12.5 mm Superpave Mixtures
Item 4411-0010 Superpave Asphalt Mixture Design, WMA Binder Course (Leveling), High RAP
Superpave Asphalt Mixture Design, Standard and RPS Construction of Asphalt Pavements with Percent Within Tolerance and LTS Testing (PWTLTS)
Superpave Asphalt Mixture Design, Standard and RPS Construction of Asphalt Pavements with Department Local Acceptance, and Payment by Percent Within Tolerance (PWT-HOLA)
Section 409 for Specific Gravity (Gmm)

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New Sections 313 and 413
• These will become new specifications for projects with PWL and LTS testing
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Other Related Pub 408 Specifications
210 Subgrade 350 Subbase 450 Manual Asphalt Patching 461 Asphalt Prime Coat 469 Asphalt Joint & Crack Sealing 491 Milling of Asphalt Paving Surface 492 Profile Milling of Asphalt Paving Surfaces

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Paving Notches RC 28
New for 2017

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Milling Length for Transition
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Remember…
• Keep familiar with Pub 408 specifications and current changes.
• Learn where to find particular specifications in Pub 408 and specific details.
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Introduction, Specifications & PTMS, Review & Update

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Remember
• 408 specs are superseded by Supplemental Specifications which are superseded by special provisions.
• Standard Drawings (RC standards) are superseded by Construction Plans and Cross Sections.
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Specification Different Sections
• 309.1 Description • 309.2 Materials • 309.3 Construction • 309.4 Measurement & Payment
Note that construction related specifications are always in the “.3” portion of ANY section
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Section 309: Superpave Asphalt Mix Design, HMA Base Course
• 309.1 Description - This work is the standard construction of plant mixed HotMix Asphalt (HMA) base course on a prepared surface using a volumetric mixture design developed with the Superpave Gyratory Compactor.
• 309.2 Materials – follows 409.2.
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Section 309: Superpave Asphalt Mix Design, HMA Base Course
• 309.3 Construction – follows 409.3 for Standard construction, except:
– (b) Weather Limitations: Placement prohibited when prepared surfaces are wet or when air or surface temperature is 35ºF or below.
– (h) 1.b Spreading & Finishing:
• For 25.0 mm HMA base, if compacted depth is > 6”, place in two or more  equal lifts, with no lift < 3” or > 6”.
• For 37.5 mm HMA base, if compacted depth is > 8”, place in two or more  equal lifts, with no lift < 4” or > 8”.
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Section 309: Superpave Asphalt Mix Design, HMA Base Course
• 309.3 Construction – follows 409.3 for Standard construction, except:
– (l) Surface Tolerance: Pavement defective if irregularities are more than ¼ inch
– (m) Tests for Depth:
• One random core using PTM No. 1 on top lift in each 3000 sq. yds, with additional cores if deficiency suspected
• Measure depth according to PTM No. 737. Pavement defective if depth deficient by ½ inch or more
Note difference between surface tolerance and depth acceptance.
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Specification for WMA Spec 408, Section 311
Change 3 Pub 408 2016
• Section 311: Superpave Asphalt Mixture Design, Standard Construction, WMA Base Course
• 311.2 ref. 411.2
• 311.3 ref 411.3 EXCEPT
• No placement below 35°F • Defective if surface irregularities are >1/4 in.
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Penndot Asphalt Technician Certification Program